Dr. Yohan Chacko wears many hats.

If you've been on the internet, chances are you've been forwarded one of his songs without knowing who the singer was.

He is an Endodontist with a private Practice in Chennai, India.

He is the Professor and Head, Department of conservative Dentistry and Endodontics, Asan Dental college, Chennai.

He is also a highly acclaimed actor and director in The Chennai theatre scene.

Yohan plays several musical instruments, is a lead singer, composer and a musician of repute.

In his spare time, he swims, runs and cycles long-distance; and sometimes does all three in the same day.